This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 10 |
| 5 | 20 |
| 6 | 27 |
| 7 | 46 |
| 8 | 61 |
| 9 | 84 |
| 10 | 101 |
| 11 | 147 |
| 12 | 163 |
| 13 | 226 |
| 14 | 256 |
| 15 | 292 |
| 16 | 331 |
| 17 | 434 |
| 18 | 472 |
| 19 | 601 |
| 20 | 655 |
| 21 | 719 |
| 22 | 785 |
| 23 | 968 |
| 24 | 1016 |
| 25 | 1143 |
| 26 | 1233 |
| 27 | 1346 |
| 28 | 1433 |
| 29 | 1713 |
| 30 | 1778 |
| 31 | 2099 |
| 32 | 2219 |
| 33 | 2363 |
| 34 | 2509 |
| 35 | 2677 |
| 36 | 2763 |
| 37 | 3202 |
| 38 | 3381 |
| 39 | 3573 |
| 40 | 3690 |
| 41 | 4223 |
| 42 | 4360 |
| 43 | 4951 |
| 44 | 5149 |
| 45 | 5347 |
| 46 | 5598 |
| 47 | 6298 |
| 48 | 6449 |